15404366464 has 16 divisors (see below), whose sum is σ = 30688386570. Its totient is φ = 7702183168.

The previous prime is 15404366437. The next prime is 15404366477. The reversal of 15404366464 is 46466340451.

15404366464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15081804864 + 322561600 = 122808^2 + 17960^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 15404366464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60173179 + ... + 60173434.

Almost surely, 2^15404366464 is an apocalyptic number.

It is an amenable number.

15404366464 is a deficient number, since it is larger than the sum of its proper divisors (15284020106).

15404366464 is an equidigital number, since it uses as much as digits as its factorization.

15404366464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120346627 (or 120346615 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 15404366464 in words is "fifteen billion, four hundred four million, three hundred sixty-six thousand, four hundred sixty-four".